5725866 has 16 divisors (see below), whose sum is σ = 11613888. Its totient is φ = 1881600.

The previous prime is 5725849. The next prime is 5725871. The reversal of 5725866 is 6685275.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6295 + ... + 7146.

It is an arithmetic number, because the mean of its divisors is an integer number (725868).

Almost surely, 2^5725866 is an apocalyptic number.

5725866 is an abundant number, since it is smaller than the sum of its proper divisors (5888022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5725866 is a wasteful number, since it uses less digits than its factorization.

5725866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13517.

The product of its digits is 100800, while the sum is 39.

The square root of 5725866 is about 2392.8781832764. The cubic root of 5725866 is about 178.9013948766.

The spelling of 5725866 in words is "five million, seven hundred twenty-five thousand, eight hundred sixty-six".